Finding the Fourth Proportional to 598,767,609.10, 898,151,413.65 and 437,524,473.10
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Solution
The fourth proportional to 598,767,609.10, 898,151,413.65 and 437,524,473.10 is: 656,286,709.65
Step by Step Solution
- Step 1: Write the proportion equation
598,767,609.10 : 898,151,413.65 = 437,524,473.10 : x - Step 2: Convert to fraction form
598,767,609.10/898,151,413.65 = 437,524,473.10/x - Step 3: Cross multiply
598,767,609.10x = 898,151,413.65 × 437,524,473.10 - Step 4: Simplify right side
598,767,609.10x = 392,963,224,021,236,416 - Step 5: Solve for x
x = 392,963,224,021,236,416/598,767,609.10 - Step 6: Final answer
x = 656,286,709.65
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.